package com.cyy.springbootinit.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cyy.springbootinit.annotation.AuthCheck;
import com.cyy.springbootinit.common.BaseResponse;
import com.cyy.springbootinit.common.DeleteRequest;
import com.cyy.springbootinit.common.ErrorCode;
import com.cyy.springbootinit.common.ResultUtils;
import com.cyy.springbootinit.constant.UserConstant;
import com.cyy.springbootinit.exception.BusinessException;
import com.cyy.springbootinit.exception.ThrowUtils;
import com.cyy.springbootinit.model.dto.dorimitory.DormitoryAddRequest;
import com.cyy.springbootinit.model.dto.dorimitory.DormitoryEditRequest;
import com.cyy.springbootinit.model.dto.dorimitory.DormitoryQueryRequest;
import com.cyy.springbootinit.model.dto.dorimitory.DormitoryUpdateRequest;
import com.cyy.springbootinit.model.entity.Dormitory;
import com.cyy.springbootinit.model.entity.User;
import com.cyy.springbootinit.model.vo.DormitoryVO;
import com.cyy.springbootinit.service.DormitoryService;
import com.cyy.springbootinit.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

/**
 * 宿舍接口
 *
 * @author 程序员cyy</a>
 * @from cyy</a>
 */
@RestController
@RequestMapping("/dormitory")
@Slf4j
public class DormitoryController {

    @Resource
    private DormitoryService dormitoryService;

    @Resource
    private UserService userService;

    // region 增删改查

    /**
     * 创建宿舍
     *
     * @param dormitoryAddRequest
     * @param request
     * @return
     */
    @PostMapping("/add")
    public BaseResponse<Long> addDormitory(@RequestBody DormitoryAddRequest dormitoryAddRequest, HttpServletRequest request) {
        ThrowUtils.throwIf(dormitoryAddRequest == null, ErrorCode.PARAMS_ERROR);
        // todo 在此处将实体类和 DTO 进行转换
        Dormitory dormitory = new Dormitory();
        BeanUtils.copyProperties(dormitoryAddRequest, dormitory);
        // 数据校验
        dormitoryService.validDormitory(dormitory, true);
        // todo 填充默认值
        //User loginUser = userService.getLoginUser(request);
        //dormitory.setUserId(loginUser.getId());
        // 写入数据库
        boolean result = dormitoryService.save(dormitory);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        // 返回新写入的数据 id
        long newDormitoryId = dormitory.getDormitoryId();
        return ResultUtils.success(newDormitoryId);
    }

    /**
     * 删除宿舍
     *
     * @param deleteRequest
     * @param request
     * @return
     */
    @PostMapping("/delete")
    public BaseResponse<Boolean> deleteDormitory(@RequestBody DeleteRequest deleteRequest, HttpServletRequest request) {
        if (deleteRequest == null || deleteRequest.getId() <= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        User user = userService.getLoginUser(request);
        long id = deleteRequest.getId();
        // 判断是否存在
        Dormitory oldDormitory = dormitoryService.getById(id);
        ThrowUtils.throwIf(oldDormitory == null, ErrorCode.NOT_FOUND_ERROR);
        // 仅本人或管理员可删除
        if ( !userService.isAdmin(request)) {
            throw new BusinessException(ErrorCode.NO_AUTH_ERROR);
        }
        // 操作数据库
        boolean result = dormitoryService.removeById(id);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    /**
     * 更新宿舍（仅管理员可用）
     *
     * @param dormitoryUpdateRequest
     * @return
     */
    @PostMapping("/update")
    @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
    public BaseResponse<Boolean> updateDormitory(@RequestBody DormitoryUpdateRequest dormitoryUpdateRequest) {
        if (dormitoryUpdateRequest == null || dormitoryUpdateRequest.getDormitoryId() <= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        // todo 在此处将实体类和 DTO 进行转换
        Dormitory dormitory = new Dormitory();
        BeanUtils.copyProperties(dormitoryUpdateRequest, dormitory);
        // 数据校验
        dormitoryService.validDormitory(dormitory, false);
        // 判断是否存在
        long id = dormitoryUpdateRequest.getDormitoryId();
        Dormitory oldDormitory = dormitoryService.getById(id);
        ThrowUtils.throwIf(oldDormitory == null, ErrorCode.NOT_FOUND_ERROR);
        // 操作数据库
        boolean result = dormitoryService.updateById(dormitory);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    /**
     * 根据 id 获取宿舍（封装类）
     *
     * @param id
     * @return
     */
    @GetMapping("/get/vo")
    public BaseResponse<DormitoryVO> getDormitoryVOById(long id, HttpServletRequest request) {
        ThrowUtils.throwIf(id <= 0, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Dormitory dormitory = dormitoryService.getById(id);
        ThrowUtils.throwIf(dormitory == null, ErrorCode.NOT_FOUND_ERROR);
        // 获取封装类
        return ResultUtils.success(dormitoryService.getDormitoryVO(dormitory, request));
    }

    /**
     * 分页获取宿舍列表（仅管理员可用）
     *
     * @param dormitoryQueryRequest
     * @return
     */
    @PostMapping("/list/page")
    @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
    public BaseResponse<Page<Dormitory>> listDormitoryByPage(@RequestBody DormitoryQueryRequest dormitoryQueryRequest) {
        long current = dormitoryQueryRequest.getCurrent();
        long size = dormitoryQueryRequest.getPageSize();
        // 查询数据库
        Page<Dormitory> dormitoryPage = dormitoryService.page(new Page<>(current, size),
                dormitoryService.getQueryWrapper(dormitoryQueryRequest));
        return ResultUtils.success(dormitoryPage);
    }

    /**
     * 分页获取宿舍列表（封装类）
     *
     * @param dormitoryQueryRequest
     * @param request
     * @return
     */
    @PostMapping("/list/page/vo")
    public BaseResponse<Page<DormitoryVO>> listDormitoryVOByPage(@RequestBody DormitoryQueryRequest dormitoryQueryRequest,
                                                               HttpServletRequest request) {
        long current = dormitoryQueryRequest.getCurrent();
        long size = dormitoryQueryRequest.getPageSize();
        // 限制爬虫
        ThrowUtils.throwIf(size > 20, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Page<Dormitory> dormitoryPage = dormitoryService.page(new Page<>(current, size),
                dormitoryService.getQueryWrapper(dormitoryQueryRequest));
        // 获取封装类
        return ResultUtils.success(dormitoryService.getDormitoryVOPage(dormitoryPage, request));
    }

    /**
     * 分页获取当前登录用户创建的宿舍列表
     *
     * @param dormitoryQueryRequest
     * @param request
     * @return
     */
    @PostMapping("/my/list/page/vo")
    public BaseResponse<Page<DormitoryVO>> listMyDormitoryVOByPage(@RequestBody DormitoryQueryRequest dormitoryQueryRequest,
                                                                 HttpServletRequest request) {
        ThrowUtils.throwIf(dormitoryQueryRequest == null, ErrorCode.PARAMS_ERROR);
        // 补充查询条件，只查询当前登录用户的数据
        long current = dormitoryQueryRequest.getCurrent();
        long size = dormitoryQueryRequest.getPageSize();
        // 限制爬虫
        ThrowUtils.throwIf(size > 20, ErrorCode.PARAMS_ERROR);
        // 查询数据库
        Page<Dormitory> dormitoryPage = dormitoryService.page(new Page<>(current, size),
                dormitoryService.getQueryWrapper(dormitoryQueryRequest));
        // 获取封装类
        return ResultUtils.success(dormitoryService.getDormitoryVOPage(dormitoryPage, request));
    }

    /**
     * 编辑宿舍（给用户使用）
     *
     * @param dormitoryEditRequest
     * @param request
     * @return
     */
    @PostMapping("/edit")
    public BaseResponse<Boolean> editDormitory(@RequestBody DormitoryEditRequest dormitoryEditRequest, HttpServletRequest request) {
        if (dormitoryEditRequest == null || dormitoryEditRequest.getDormitoryId() <= 0) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }
        // todo 在此处将实体类和 DTO 进行转换
        Dormitory dormitory = new Dormitory();
        BeanUtils.copyProperties(dormitoryEditRequest, dormitory);
        // 数据校验
        dormitoryService.validDormitory(dormitory, false);
        User loginUser = userService.getLoginUser(request);
        // 判断是否存在
        long id = dormitoryEditRequest.getDormitoryId();
        Dormitory oldDormitory = dormitoryService.getById(id);
        ThrowUtils.throwIf(oldDormitory == null, ErrorCode.NOT_FOUND_ERROR);
        // 仅本人或管理员可编辑
        if (!userService.isAdmin(loginUser)) {
            throw new BusinessException(ErrorCode.NO_AUTH_ERROR);
        }
        // 操作数据库
        boolean result = dormitoryService.updateById(dormitory);
        ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
        return ResultUtils.success(true);
    }

    // endregion
}
